Sony Prosumer HDR-CX900 Camcorder Battery Lithium-Ion 2060mAh - Replacement for Sony NPFV-70 Battery Replacement battery for the Sony NP-FV70, Lithium-Ion (Li-ion) 7.4V (2060mAh) 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark